Lyrics of Life goes on (i wonder why)

The day you left i've felt so strange i thought for sure that the world would change
But the birds still sing and babies still cry and life goes on i wonder why
An old love dies but nobody cares the world just minds its own affairs
The winners smile and the losers cry and life goes on i wonder why
How can that moon that promised so much still shows his face at night
And those birds that are singing heart that start crying when i walk in sight
I sit here and cry as lovers stroll by reminding me about you and i
They live to love while i live to die but life goes on i wonder why
Yes life goes on i wonder why